Fig. 8
Minimum flux (left panel) and power (right panel) of detectable radio halos at 1400 MHz obtained by Eq. (9) with ξ1 = 3 (solid lines) and by Eq. (11) with ξ2 = 10 (dashed lines). Calculations are shown for the NVSS (rms = 0.45 mJy, θb = 45 arcsec; black upper lines) and for EMU+WODAN (rms = 10 μJy, θb = 25 arcsec; red bottom lines).
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